Morristown-based construction management firm Louis Berger announced Tuesday its joint venture with Moorestown-based Hill International has been awarded a $265 million contract to manage construction of the Riyadh Metro in Saudi Arabia's capital city, Riyadh.

According to the announcement, the venture will oversee design and construction through the project lifecycle for three of six lines in the metro system. The contract covers a five-year performance period and a 24-month defects liability period.